For a more technical approach, you might want to:
Here is a — presented as a diagnostic tool you would want the 3CX app or admin console to have. This is a feature request to solve the problem at its source. webrtc line is not registered 3cx app
: For the Web Client to register correctly in v20+, you must allow notifications in your browser settings. Core Troubleshooting Steps For a more technical approach, you might want
Support - Intouch Communications